I'd say this is a realistic concern, as car styling is intensely memeish, which is why about 98% of them look absolutely stupid now (and with Craptruck dna mixed in, plenty room to get even worse).
In short: Agreed, I believe you Will see Shittruck design elements percolate into other vehicles.
Sure, #notAllMarques. There's a tiny sliver of the car market whose industrial design is restrained enough to not work like an acid eyewash—but most go wherever the wind blows.
The proof is 1) size. 2) most cars look like a stormtrooper helmet right now &previous trends weren't any more intelligent